/Engine/Source/Runtime/Engine/Classes/GameFramework/InputSettings.h
An Invalid Hardware Device Identifier.
static [FHardwareDeviceIdentifier](API\Runtime\Engine\GameFramework\FHardwareDeviceIdentifier) Invalid = { NAME_None, NAME_None, EHardwareDevicePrimaryType::Unspecified, EHardwareDeviceSupportedFeatures::Type::Unspecified };